“…In these two dierent settings, endoscopic surgery developed quite similarly in terms of number and type of operations performed. Also, to achieve cost eectiveness, both institutions developed similar solutions-namely the choice of reusable instruments and glutaraldehyde sterilization [7,10], and the surgeon's continuous selection of simpler and less expensive techniques, which did not require disposable supplies such as stapling devices, meshes, and endoloops.…”